2145113155501 has 8 divisors (see below), whose sum is σ = 2197458345600. Its totient is φ = 2092769172960.

The previous prime is 2145113155489. The next prime is 2145113155567. The reversal of 2145113155501 is 1055513115412.

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

It is a de Polignac number, because none of the positive numbers 2^k-2145113155501 is a prime.

It is a super-2 number, since 2×2145113155501² (a number of 25 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 (2145113155001) 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, 4050610 + ... + 4549468.

It is an arithmetic number, because the mean of its divisors is an integer number (274682293200).

Almost surely, 2^{2145113155501} is an apocalyptic number.

It is an amenable number.

2145113155501 is a deficient number, since it is larger than the sum of its proper divisors (52345190099).

2145113155501 is a wasteful number, since it uses less digits than its factorization.

2145113155501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603779.

The product of its (nonzero) digits is 15000, while the sum is 34.

The spelling of 2145113155501 in words is "two trillion, one hundred forty-five billion, one hundred thirteen million, one hundred fifty-five thousand, five hundred one".