1015156225 has 48 divisors (see below), whose sum is σ = 1388482560. Its totient is φ = 733320000.

The previous prime is 1015156213. The next prime is 1015156249. The reversal of 1015156225 is 5226515101.

It is not a de Polignac number, because 1015156225 - 2⁷ = 1015156097 is a prime.

It is a super-2 number, since 2×1015156225² = 2061084322312501250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1015156193 and 1015156202.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1044990 + ... + 1045960.

It is an arithmetic number, because the mean of its divisors is an integer number (28926720).

Almost surely, 2^1015156225 is an apocalyptic number.

It is an amenable number.

1015156225 is a deficient number, since it is larger than the sum of its proper divisors (373326335).

1015156225 is a wasteful number, since it uses less digits than its factorization.

1015156225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102 (or 1097 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 28.

The square root of 1015156225 is about 31861.5163637891. The cubic root of 1015156225 is about 1005.0267643013.

The spelling of 1015156225 in words is "one billion, fifteen million, one hundred fifty-six thousand, two hundred twenty-five".