1156707072020 has 48 divisors (see below), whose sum is σ = 2557424620800. Its totient is φ = 438246552960.

The previous prime is 1156707071999. The next prime is 1156707072023. The reversal of 1156707072020 is 202707076511.

It is a super-2 number, since 2×1156707072020² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156707072023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1696826 + ... + 2278734.

It is an arithmetic number, because the mean of its divisors is an integer number (53279679600).

Almost surely, 2^{1156707072020} is an apocalyptic number.

1156707072020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1156707072020 is an abundant number, since it is smaller than the sum of its proper divisors (1400717548780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1156707072020 is a wasteful number, since it uses less digits than its factorization.

1156707072020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587168 (or 587166 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 38.

The spelling of 1156707072020 in words is "one trillion, one hundred fifty-six billion, seven hundred seven million, seventy-two thousand, twenty".