151115212545 has 16 divisors (see below), whose sum is σ = 263764734912. Its totient is φ = 73267981760.

The previous prime is 151115212529. The next prime is 151115212561. The reversal of 151115212545 is 545212511151.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (151115212529) and next prime (151115212561).

It is not a de Polignac number, because 151115212545 - 2⁴ = 151115212529 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 457924722 + ... + 457925051.

It is an arithmetic number, because the mean of its divisors is an integer number (16485295932).

Almost surely, 2^151115212545 is an apocalyptic number.

151115212545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

151115212545 is a deficient number, since it is larger than the sum of its proper divisors (112649522367).

151115212545 is a wasteful number, since it uses less digits than its factorization.

151115212545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915849792.

The product of its digits is 10000, while the sum is 33.

Adding to 151115212545 its reverse (545212511151), we get a palindrome (696327723696).

The spelling of 151115212545 in words is "one hundred fifty-one billion, one hundred fifteen million, two hundred twelve thousand, five hundred forty-five".