20153151511 has 8 divisors (see below), whose sum is σ = 20862096480. Its totient is φ = 19445140512.

The previous prime is 20153151497. The next prime is 20153151533. The reversal of 20153151511 is 11515135102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20153151511 - 2⁹ = 20153150999 is a prime.

It is a super-2 number, since 2×20153151511² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20153151541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189435 + ... + 276028.

It is an arithmetic number, because the mean of its divisors is an integer number (2607762060).

Almost surely, 2^20153151511 is an apocalyptic number.

20153151511 is a deficient number, since it is larger than the sum of its proper divisors (708944969).

20153151511 is a wasteful number, since it uses less digits than its factorization.

20153151511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466985.

The product of its (nonzero) digits is 750, while the sum is 25.

Adding to 20153151511 its reverse (11515135102), we get a palindrome (31668286613).

The spelling of 20153151511 in words is "twenty billion, one hundred fifty-three million, one hundred fifty-one thousand, five hundred eleven".